button To use DAX measures Click on this button
Adding measures
Click on the new measure on the ribbon on the upper right side then
Calculate accordingly
The next Gif show how to create a measure for dashboard
General X position 0 y position 76 Width 226 Hight 138
Color is #99d3d3
Adding MoM
color formating
click on the data label and click on fx
understanding KPI
https://docs.microsoft.com/en-us/power-bi/visuals/power-bi-visualization-kpi